<template>
  <div class="hello">
     <input style="height:30px;width:200px;" type="text" :value="someData">
  </div>
</template>

<script>
export default {
  name: 'HelloWorld',
  props: ['someData'],
  // model: {
  //   prop: 'someData',
  //   event: 'changeData',
  // },

  data() {
    return {
      myData: "我是子组件的数据",
      // someData:this.someData
    };
  },
  created(){
    console.log(this.someData);
  },
  methods:{
    changeData(){
      this.$emit("changeData")
    }
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="scss">
h3 {
  margin: 40px 0 0;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
</style>
